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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11386

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17699

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 11397

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

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Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't work. Below is the code snippet of the server database initialization connector in the application fromfastapiimportFastAPIimportmysql.connectorapp

2023-09-05 11:18:47

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactName. I think this might be a nested query. Nested queries run fine in SQLServer, but don't know how to implement it in MySQL. Limit query: Select*fromcustomerslimit

2023-09-05 14:46:42

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: .right-menu{...grid-auto-flow:columndense;...} If I remove the grid-auto-flow attribute, the overflow stops. However, the items are now stacked into multiple rows, which is not what I want. I also tried converting .ri

2023-09-05 15:18:28

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

2023-09-05 15:06:32

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in php any value has a unique string representation (such as the php code itself). I post this question to speed up the design process of this program. Some values are easily converted to strings: numbers, booleans, etc. Some are not easy: objects, arrays, resources. I think the transfer object and

2023-09-05 15:34:44

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WeChat farm background HD picture

Course Introduction：WeChat farm background is very popular. Many friends want to know where to find high-definition pictures of WeChat farm background. This article brings you high-definition pictures of WeChat farm background. Come and take a look! WeChat farm background sharing How to set up WeChat farm background 1. First open WeChat, then click "Me", then click "Status". 2. Then select a status, and then choose whatever you like. 3. Click on the round face logo below. 4. Then click the "Search" sign at the front. 5. Search for "farm" in the search bar. 6. Then scroll to the bottom and click More, and the user can choose. Setting method for adding small animals in WeChat status pig raising 1. First click on a WeChat friend in WeChat. 2. Then click the three on the upper right side of the screen. 3. Then click

2024-04-26 comment 0 623

VR/AR tourism will become the 'next Internet celebrity”

Course Introduction：As the fastest growing sector in China's tertiary industry, tourism is always the most fashionable one. With the rapid development of virtual reality VR and augmented reality AR, tourist attractions, travel agencies and online travel platforms are now beginning to test VR and AR technologies. VR/AR tourism will become the "next internet celebrity". The digital tourism platform "Renlv Vision" is committed to providing tourists with one-stop services of "travel, accommodation, transportation, food, entertainment, and shopping" by integrating VR/AR technology, tourism, humanistic education, local specialties, life services and other resources , realize the effective connection of tourism resources in the whole region, realize users' pre-experience of tourism, and solve the problems of complicated tourism planning and poor tourism experience. 1. VR scene restoration. Through virtual reality VR technology, it can create realistic scenes through high-definition modeling and panoramic video.

2023-06-10 comment 0 1078

How can I see the pictures in the comments section of TikTok clearly? How to enlarge the picture in the comment area?

Course Introduction：With the popularity of Douyin, users sharing pictures in the comment area has become a unique landscape. Due to image size restrictions, many users find it difficult to see the images in the comment area. To see clearly requires some skills. 1. How can I see the pictures in the comment section of Douyin clearly? 1. Adjust the screen brightness: The display effect of the pictures in the comment area of Douyin app will be affected by the screen brightness. Too high or too low brightness will cause the picture to be unclear. Therefore, users need to adjust the brightness of the mobile phone screen to achieve the best visual effect. 2. Use the zoom function: The pictures in the Douyin comment area are smaller by default. Users can use the zoom function to view the details of the picture by long pressing the picture. Users can also save pictures to their phone and then use the picture viewer in the photo album to enlarge them.

2024-06-15 comment 0 451

Using JavaScript and Tencent Maps to implement the popular attractions recommendation function on the map

Course Introduction：Using JavaScript and Tencent Maps to implement the popular attraction recommendation function on the map. With the development of tourism, more and more people like to relax and explore new places through travel. In order to meet the needs of tourists, many map applications provide popular attraction recommendation functions to help people quickly learn about famous attractions in a region. This article will introduce how to use JavaScript and Tencent Maps to implement such a function. First, we need to introduce the JavaScript API of Tencent Maps. Can be used in HTML text

2023-11-21 comment 0 676

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